Improvement in book-sewing



E. S. BOYNTON. Book Sewing.

UNITED STATEs PATENT OEEIcE.

EDWARD S. BOYNTON,

on NEW Yonk, N. Y;

IMPROVEMENT IN BOOK-SEWING.

Specification forming part of Letters Patent No. 201,590, dated March26, 1878; application filed September 27, 1877.

To all whom 'it may concern:

Be it known that I, EDWARD S. BoYNToN, of New York, county of New York,State ot New York, have invented a new and useful Improvement inBook-Sewing, which is fully set forth in the following specification andaccompanying drawings, in which- Figure 1 is a perspective view of myimproved book 5 Fig. 2, a plan view thereof when open; Fig. 3, atransverse section of the same at line x of Fig. l; Fig. 4, a View ofthe back of the book, showing the manner of uniting the signatures; Fig.5, a detached view of a corrugated pin or wire.

A is the book; B, the wire 5 C, the cord.

The object of my invention is to simplify the process of producing themachine-made book patented to Ine July 17,1877, and to give a neater andmore tastyT appearance without impairing the security of the binding.

I accomplish this by corrugating or roughening the metal securing-pinsinserted Vwithin the loops passed through the center of the 'the loopbeing worn off in long or hard use.

There is also a considerable economy of labor in binding a book by usingthis improved wire over the use of a smooth wire, and turning up bothends. i

What I claim, and desire to secure by Let- `ters Patent, is-

The combination of a corrugated, twisted, or roughened-surfacesecuring-pin with the cord of which the loops are formed, operatingtogether to bind a book, substantially in the n manner described.

EDWARD S. BOYNTON.

Witnesses:

J oEN W. RIPLEY, S. J. GORDON.

